Add Yahoo as a preferred source to see more of our stories on Google. There are certain things antibody tests can (and cannot) tell us about our immunity to COVID-19. (Photo: Yulia Reznikov via Getty ...

OneBlood donation centers are now offering free COVID-19 antibody tests to anyone who donates blood, just as the Centers for Disease Control and Prevention now says that antibody tests are only ...

Share on Pinterest A nasal swab test can be used to determine if a person has COVID-19. Getty Images Tests for COVID-19 include the polymerase chain reaction (PCR) diagnostic test, which is a nasal ...

As the world continues to navigate the aftermath and lingering presence of COVID-19, one question remains as relevant as ever: Which COVID-19 test is right for me—diagnostic or antibody? Whether ...

A cheap 5-minute test can accurately determine whether you have had covid-19 in the past or determine whether you have protection from a vaccine by detecting antibodies in blood or saliva. When a ...

Since late last year, federal officials have been asking, practically begging people to get booster doses of the COVID-19 vaccine. But more than half of Americans have ignored the request even for a ...

Antibodies are disease-fighting proteins that play a crucial role in the immune system. Antibodies recognize infectious invaders, such as bacteria and viruses, and help the body eliminate them.

In March, as the United States faced a shortage of COVID-19 diagnostic tests to determine who was currently infected with the virus, the Food and Drug Administration began allowing antibody tests into ...